Compression molded Phylon and Cushlon foams fused together with heat: Creates a dual density cushioning system for the ultimate ride

New firmer 3rd density foam runs from the heel to medial midfoot: Helps to slow the rate of pronation

Added rubber crash rail on the lateral outsole acts as a cushioning device at contact: Provides a smooth transition and enhances flexibility

Heel-To-Toe Drop: 10mm

WEIGHT: 8.7 ounces

Specifications:

Predecessor Product Type: Air Zoom Structure+ 17

Women's NIKE AIR ZOOM STRUCTURE 18 :: Boost the strength of your strides, running with more stability and confidence than ever before in the newly updated Women's Nike Air Zoom Structure 18. Get ready to be amazed by this newest addition to the iconic Structure family that offers an even better fit thanks to its enhanced upper. Score loads of support without adding extra weight, compliments of the 18's lightweight mesh and strategically placed overlays. Enjoy an ultra-smooth, super protected ride from its Nike Zoom unit and decoupled crash pad. Get an extra dose of durability from this new Air Zoom Structure's powerful BTS 1000 outsole material. 8.7 ounces